twodcraft/src/main/java/cz/jzitnik/game/generation/Trees.java

package cz.jzitnik.game.generation;

import cz.jzitnik.game.entities.Block;
import cz.jzitnik.game.entities.items.ItemBlockSupplier;

import java.util.List;
import java.util.Random;

public class Trees {
    public static boolean isTreeNearby(List<Block>[][] world, int x, int y) {
        int radius = 3; // Check within a 3-block radius for trees
        for (int dx = -radius; dx <= radius; dx++) {
            for (int dy = -radius; dy <= radius; dy++) {
                int nx = x + dx;
                int ny = y + dy;
                if (nx >= 0 && nx < 512 && ny >= 0 && ny < 256) {
                    for (Block block : world[ny][nx]) {
                        if (block.getBlockId().equals("oak_log") || block.getBlockId().equals("oak_leaves")) {
                            return true;
                        }
                    }
                }
            }
        }
        return false;
    }


    public static void plantTrees(List<Block>[][] world, int[] terrainHeight) {
        Random random = new Random();
        for (int i = 10; i < 502; i += random.nextInt(20) + 20) {
            int treeBase = terrainHeight[i];

            if (treeBase - 3 < 0)
                continue;

            tree(world, i, treeBase);
        }
    }

    public static void tree(List<Block>[][] world, int i, int treeBase) {
        for (int j = 0; j < 3; j++) {
            if (treeBase - j >= 0) {
                world[treeBase - j - 1][i].add(ItemBlockSupplier.getBlock("oak_log"));
            }
        }

        int leafY = treeBase - 4;

        for (int layer = 0; layer < 3; layer++) {
            int size = 5 - (layer * 2);
            int offsetY = leafY - layer;

            for (int dx = -size / 2; dx <= size / 2; dx++) {
                int x = i + dx;
                int y = offsetY;

                if (x >= 0 && x < world[0].length && y >= 0) {
                    world[y][x].add(ItemBlockSupplier.getBlock("oak_leaves"));
                }
            }
        }
    }
}